United flight 770 made headlines recently when it had to change its course mid-air due to an unexpected problem. The flight, carrying more than 250 passengers, was on its way to Chicago when the pilots noticed a possible cabin pressurization issue. Using the emergency code squawk 7700, the crew alerted air traffic control and decided to divert to London Heathrow. Thanks to the quick thinking and training of the pilots, all passengers and crew landed safely without any injuries. This incident shows how seriously airlines take safety and how well-prepared crews handle unexpected situations. Passengers on United flight 770 shared…